On Wed, Aug 26, 2015 at 12:15 AM, fantasai <fantasai.lists@inkedblade.net> wrote: > On 08/25/2015 02:59 PM, Xidorn Quan wrote: >> I propose that we should add "text-orientation: upright" to the >> "rt:lang(zh-TW)" rule. >> >> The reason is that, all the tone marks in bopomofo (U+02CA, U+02C7, >> U+02CB, U+02D9) have Vertical_Orientation property "R" while the >> bopomofo characters are all "U". It means, without explicitly setting >> text-orientation to upright, the text run would break between them, >> which makes it impossible to use font feature to place the tone mark >> properly. > > I think it would make more sense to have Unicode update UTR50 to make > these characters upright in mixed-orientation text (or otherwise tailor > it within CSS as a whole). It's not just a problem with ruby. Well, that could be tricky, because those characters might also be used with latin scripts. I'm not sure anyway. Koji, any thoughts? - XidornReceived on Tuesday, 25 August 2015 22:06:28 UTC
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